Quarter	US Dollars, Sum Over Component Sub-periods, Seasonally Adjusted
1997-01-01	23888139116.872200
1997-04-01	29725860681.328200
1997-07-01	28937170276.428700
1997-10-01	30361264070.742300
1998-01-01	26194027195.156500
1998-04-01	27361083894.511300
1998-07-01	25990655207.668500
1998-10-01	24237968708.880600
1999-01-01	19029783731.198100
1999-04-01	15439622375.651700
1999-07-01	13164848993.288600
1999-10-01	5802802283.341980
2000-01-01	4920525224.602630
2000-04-01	2078819574.150180
2000-07-01	215079675.874329
2000-10-01	-3404150484.029910
2001-01-01	11930801168.691400
2001-04-01	11751667491.917400
2001-07-01	15485395061.361500
2001-10-01	23086224398.399700
2002-01-01	28287066799.135100
2002-04-01	27175832260.437700
2002-07-01	31669344525.691100
2002-10-01	30294127455.230600
2003-01-01	23347289318.303800
2003-04-01	26031199121.578100
2003-07-01	34056883419.008700
2003-10-01	32271537363.160500
2004-01-01	39914989373.671700
2004-04-01	33197541279.980700
2004-07-01	19775839582.654100
2004-10-01	21945248067.705800
2005-01-01	23599790328.921500
2005-04-01	14530581424.616200
2005-07-01	11290243902.439000
2005-10-01	1468839200.761170
2006-01-01	-6878107457.898930
2006-04-01	-4974653316.016600
2006-07-01	2950673407.825990
2006-10-01	18540717172.585800
2007-01-01	12330652914.955000
2007-04-01	16993798867.619300
2007-07-01	16271769019.248400
2007-10-01	12674974641.356300
2008-01-01	7087994406.711910
2008-04-01	-10345743296.016600
2008-07-01	-20692292312.306300
2008-10-01	-5866824271.079590
2009-01-01	-7795654625.092100
2009-04-01	13089423513.390800
2009-07-01	18798455156.629900
2009-10-01	13523997046.517400
2010-01-01	11778597785.977900
2010-04-01	-801812867.974060
2010-07-01	3824150260.629820
2010-10-01	244310727.050537
2011-01-01	-1274210454.359010
2011-04-01	-5782959124.928100
2011-07-01	926248411.540527
2011-10-01	12642144974.400500
2012-01-01	25914932680.538600
2012-04-01	31958110707.416100
2012-07-01	32269864442.127200
2012-10-01	50635057968.506600